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Wigner-cusp in kaon decays and determination of $\pi\pi$ scattering lengths
In the last few years it has become possible to study low energy pi pi scattering in kaon decays to three pions, thanks to the high statistics measurement of $K^{\pm} \rightarrow \pi^{\pm}\pi^{0}\pi^{0}$ decays performed by the NA48/2 experiment at the CERN SPS. At the $\pi^{+}\pi^{-}$ threshold, th...
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| Lenguaje: | eng |
| Publicado: |
2007
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| Acceso en línea: | http://cds.cern.ch/record/1073316 |